32193894832 has 20 divisors (see below), whose sum is σ = 68046187176. Its totient is φ = 14633588480.

The previous prime is 32193894829. The next prime is 32193894841. The reversal of 32193894832 is 23849839123.

It is a self number, because there is not a number n which added to its sum of digits gives 32193894832.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91459753 + ... + 91460104.

Almost surely, 2^32193894832 is an apocalyptic number.

It is an amenable number.

32193894832 is an abundant number, since it is smaller than the sum of its proper divisors (35852292344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32193894832 is a wasteful number, since it uses less digits than its factorization.

32193894832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182919876 (or 182919870 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 52.

The spelling of 32193894832 in words is "thirty-two billion, one hundred ninety-three million, eight hundred ninety-four thousand, eight hundred thirty-two".